+ "$$(TOP)/$$(INPLACE_BIN)/haddock" \
+ --odir="$1/$2/doc/html/$$($1_PACKAGE)" \
+ --no-tmp-comp-dir \
+ --dump-interface=$$($$($1_PACKAGE)-$$($1_$2_VERSION)_HADDOCK_FILE) \
+ --html \
+ --title="$$($1_PACKAGE)-$$($1_$2_VERSION)$$(if $$(strip $$($1_$2_SYNOPSIS)),: $$(strip $$($1_$2_SYNOPSIS)),)" \
+ --prologue="$1/$2/haddock-prologue.txt" \
+ $$(foreach mod,$$($1_$2_HIDDEN_MODULES),--hide=$$(mod)) \
+ $$(foreach pkg,$$($1_$2_DEPS),$$(if $$($$(pkg)_HADDOCK_FILE),--read-interface=../$$(pkg)$$(comma)../$$(pkg)/src/%{MODULE/./-}.html\#%{NAME}$$(comma)$$($$(pkg)_HADDOCK_FILE))) \
+ $$(foreach opt,$$($1_$2_v_ALL_HC_OPTS),--optghc=$$(opt)) \
+ $$($1_$2_HADDOCK_FLAGS) $$($1_$2_HADDOCK_OPTS) \
+ $$($1_$2_HS_SRCS) \
+ $$($1_$2_EXTRA_HADDOCK_SRCS)
+
+# --no-tmp-comp-dir above is important: it saves a few minutes in a
+# validate. This flag lets Haddock use the pre-compiled object files
+# for the package rather than rebuilding the modules of the package in
+# a temporary directory. Haddock needs to build the package when it
+# uses the Template Haskell or Annotations extensions, for example.